Home / 234,386.32-323,437.08-131,013.76

Finding the Fourth Proportional to 234,386.32, 323,437.08 and 131,013.76

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Solution

The fourth proportional to 234,386.32, 323,437.08 and 131,013.76 is: 180,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,386.32 : 323,437.08 = 131,013.76 : x
  2. Step 2: Convert to fraction form
    234,386.32/323,437.08 = 131,013.76/x
  3. Step 3: Cross multiply
    234,386.32x = 323,437.08 × 131,013.76
  4. Step 4: Simplify right side
    234,386.32x = 42,374,707,974.22
  5. Step 5: Solve for x
    x = 42,374,707,974.22/234,386.32
  6. Step 6: Final answer
    x = 180,790.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.